This inventor holds 3 USPTO granted patents. Top assignees: Takeda Chemical Industries, Inc., Mitsui Takeda Chemicals, Inc.. Active years: 1992-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 1,858 
1 out of 15 Years Active: 1992-2003
Title: Innovations of Katsumi Inaoka
Introduction
Katsumi Inaoka is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyester polyols and polyurethane foams. With a total of 3 patents to his name, his work has had a considerable impact on the industry.
Latest Patents
Katsumi Inaoka's latest patents include a method and apparatus for producing polyester polyol, as well as innovations in low resilience urethane foam. The method for producing polyester polyol aims to provide a simple process that enhances production efficiencies while ensuring stable quality. This involves the reaction of polyethylene terephthalate and raw polyol in a reaction vessel, with by-products being distilled off and modified for reuse. His work on low resilience urethane foam focuses on creating a material that maintains excellent low resilience at room temperature, while also suppressing hardness increases at lower temperatures. This foam is produced through a specific reaction of urethane foam compositions, demonstrating advanced properties in varying temperature ranges.
Career Highlights
Throughout his career, Katsumi Inaoka has worked with prominent companies such as Takeda Chemical Industries, Inc. and Mitsui Takeda Chemicals, Inc. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to innovative solutions in the field.
Collaborations
Katsumi has collaborated with notable coworkers, including Takashi Kumaki and Masakazu Kageoka. These partnerships have likely fostered a creative environment that has led to the development of his patented technologies.
Conclusion
Katsumi Inaoka's contributions to the field of polymer chemistry through his patents and career experiences highlight his role as an influential inventor. His work continues to shape advancements in polyester polyols and polyurethane foams, showcasing the importance of innovation in material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile